When to Plant Scaevola in Watsonville, CA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant scaevola in Watsonville should be figured out by looking at the USDA zone info.


Planting Calendar for Scaevola

Frost tolerance for scaevola: Not tolerant of frost.
When to plant: After the last frost has passed.

Scaevola are not cold tolerant which means that you must wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant scaevola
Possibly ok, but a risky time to plant scaevola
Probably not a good time to plant scaevola

The earliest that you can plant scaevola in Watsonville is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant scaevola and expect a good harvest is probably September. You probably don't want to wait any later than that or else your scaevola may not have a chance to fully mature. Starting your scaevola indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Watsonville the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Watsonville may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Watsonville it frosts late in the year after February 15 so always be ready to protect your scaevola in the event of a surprise late frost.

USDA Zone Info for Watsonville

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Watsonville

You may be interested in your other planting guides for Watsonville.